Film condenser and metalized film

Abstract

The present invention relates to a film condenser and a metalized film for manufacturing the same. The metalized film comprises a base film formed from an insulating material, and a metal coating layer formed on the base film. A plurality of uncoated portions are formed as area partition margins in the metal coating layer so as to respectively form, in the metal coating layer, a plurality of electrode regions, a plurality of fuse connecting regions surrounded by two or more of the electrode regions, and a plurality of fuse portions. The fuse portions electrically connect each one of the fuse connecting regions with the electrode regions surrounding the one of the fuse connecting regions.

What is claimed is: 
     
       1. A metalized film comprising a base film formed from an insulating material, and a metal coating layer formed on said base film, wherein a plurality of uncoated portions are formed as area partition margins in said metal coating layer so as to respectively form, in said metal coating layer, a plurality of electrode regions, a plurality of fuse connecting regions surrounded by two or more of said electrode regions, and a plurality of fuse portions electrically connecting each one of said fuse connecting regions with said electrode regions surrounding said one of said fuse connecting regions, and wherein each of said fuse connecting regions has an area which is smaller than that of each of said electrode regions. 
     
     
       2. The metalized film according to claim 1, wherein each of said fuse connecting regions has an area of 0.1-100 mm 2 . 
     
     
       3. The metalized film according to claim 1, wherein each of said electrode regions are substantially quadrilateral, and four fuse portions are connected to four corners of each of said electrode regions. 
     
     
       4. The metalized film according to claim 1, wherein each of said electrode regions are substantially hexagonal, and six fuse portions are connected to six corners of each of said electrode regions. 
     
     
       5. The metalized film according to claim 1, wherein each of said fuse portions has a width of 0.05-5 mm. 
     
     
       6. The metalized film according to claim 1, wherein a selected part of said fuse portions connected to each of said fuse connecting regions has a width which is larger than that of the other part of said fuse portions connected to the same fuse connecting region. 
     
     
       7. A metalized film comprising a base film formed from an insulating material, and a metal coating layer formed on said base film, wherein a plurality of uncoated portions are formed as area partition margins in said metal coating layer so as to respectively form, in said metal coating layer, a plurality of electrode regions and a plurality of fuse portions electrically connecting neighboring ones of said electrode regions, wherein selected ones of said fuse portions connected to each of said electrode regions have a width which is larger than that of the other ones of said fuse portions connected to the same electrode region. 
     
     
       8. The metalized film according to claim 7, wherein said selected ones of said fuse portions have a fusing current which is greater than that of said other ones of said fuse portions connected to the same electrode region. 
     
     
       9. The metalized film according to claim 7, wherein each of said fuse portions has a width of 0.05-5 mm, and the width of said selected ones of said fuse portions is 1.5-10 times as large as that of said other ones of said fuse portions connected to the same electrode region. 
     
     
       10. A metalized film comprising a base film formed from an insulating material, and a metal coating layer formed on said base film, wherein a plurality of first uncoated portions are formed as electrode partition margins in said metal coating layer so as to respectively form, in said metal coating layer, a plurality of electrode regions and a plurality of first fuse portions electrically connecting neighboring ones of said electrode regions, furthermore, wherein a plurality of linear second uncoated portions are formed as terminal partition margins in said metal coating layer parallel with an edge of said base film so as to respectively form, in said metal coating layer, an electroconductive terminal region extending along said edge of said base film, and second fuse portions electrically connect said terminal region and said electrode regions adjoining said terminal region. 
     
     
       11. A film condenser comprising first and second metalized films which are stacked up to each other, wherein said first metalized film comprises a base film formed from an insulating material and a metal coating layer formed on said base film, wherein a plurality of uncoated portions are formed as area partition margins in said metal coating layer so as to respectively form, in said metal coating layer, a plurality of electrode regions, a plurality of fuse connecting regions surrounded by two or more of said electrode regions, and a plurality of fuse portions electrically connecting each one of said fuse connecting regions with said electrode regions surrounding said one of said fuse connecting regions, and wherein each of said fuse connecting regions has an area which is smaller than that of said electrode regions. 
     
     
       12. A film condenser comprising first and second metalized films which are stacked up to each other, wherein said first metalized film comprises a base film formed from an insulating material, and a metal coating layer formed on said base film, wherein a plurality of uncoated portions are formed as area partition margins in said metal coating layer so as to respectively form, in said metal coating layer, a plurality of electrode regions and a plurality of fuse portions electrically connecting neighboring ones of said electrode regions, wherein selected ones of said fuse portions connected to each of said electrode regions have a width which is larger than that of the other of said fuse portions connected to the same electrode region. 
     
     
       13. A film condenser comprising first and second metalized films which are stacked up to each other, wherein said first metalized film comprises a base film formed from an insulating material, and a metal coating layer formed on said base film, wherein a plurality of first uncoated portions are formed as electrode partition margins in said metal coating layer so as to respectively form, in said metal coating layer, a plurality of electrode regions and a plurality of first fuse portions electrically connecting neighboring ones of said electrode regions, furthermore, wherein a plurality of linear second uncoated portions are formed as terminal partition margins in said metal coating layer parallel with an edge of said base film so as to respectively form, in said metal coating layer, an electroconductive terminal region extending along said edge of said base film, and second fuse portions electrically connect said terminal region and said electrode regions adjoining said terminal region.